﻿// 
//    Copyright 2010 The JaernCloud Project
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
// 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using JaernCloud.Language.Compiler.Ast;

namespace JaernCloud.Language.Compiler.Types.Builtin.Page {
    
    public class PageNodeType : NodeType, IPageNodeType {

        IList<IActionNodeType> _actions = new List<IActionNodeType>();

        public IList<IActionNodeType> Actions {
            get { return _actions; }
        }

        public void ExecuteAction(IActionNodeType action, IList<INodeType> arguments) {
            if (action.Parent != this) {
                throw new ArgumentException("The specified action is not owned by this node");
            }
            action.ExecuteAction(this);
        }

        public void ExecuteAction(string actionName, IList<INodeType> arguments) {
            var action = Actions.SingleOrDefault(a => a.Name == actionName);
            if (action == null) {
                throw new ArgumentException("'"+actionName+"' is not a valid action name for this node");
            }
        }

        public NodeTypeScope Scope {
            get { return NodeTypeScope.Request; }
        }

        public string ScopeNodeId {
            get { throw new NotImplementedException(); }
        }

        public override AstTag GetRequiredAstTag() {
            return AstTag.FromName("page");
        }

        public override INodeType GetNodeTypeInstanceFor(AstNode node) {
            return new PageNodeType { SourceNode = node };
        }

    }

}
